libstdc++-v3/testsuite/ext/special_functions/airy_bi/check_nan.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-c-std "" }
   3 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
   4 // { dg-add-options ieee }
   5 // { dg-skip-if "no extensions in strict dialects" { *-*-* } { "-std=c++*" } }
   6
   7 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // airy_bi
  25
  26 #include <cmath>
  27 #include <testsuite_hooks.h>
  28
  29 void
  30 test01()
  31 {
  32   float xf = std::numeric_limits<float>::quiet_NaN();
  33   double xd = std::numeric_limits<double>::quiet_NaN();
  34   long double xl = std::numeric_limits<long double>::quiet_NaN();
  35
  36   float a = __gnu_cxx::airy_bi(xf);
  37   float b = __gnu_cxx::airy_bif(xf);
  38   double c = __gnu_cxx::airy_bi(xd);
  39   long double d = __gnu_cxx::airy_bi(xl);
  40   long double e = __gnu_cxx::airy_bil(xl);
  41
  42   bool test [[gnu::unused]] = true;
  43   VERIFY(std::isnan(a));
  44   VERIFY(std::isnan(b));
  45   VERIFY(std::isnan(c));
  46   VERIFY(std::isnan(d));
  47   VERIFY(std::isnan(e));
  48
  49   return;
  50 }
  51
  52 int
  53 main()
  54 {
  55   test01();
  56   return 0;
  57 }
  58